protected void LinkButtonEmptyLectureInsert_Click(object sender, EventArgs e)
{
int courseId = Convert.ToInt32(this.RouteData.Values["courseId"]);
var table = (sender as LinkButton).Parent;
string title = (table.FindControl("TextBoxEmptyLectureTitleInsert") as TextBox).Text;
string description = (table.FindControl("TextBoxEmptyLectureLocationInsert") as TextBox).Text;
string location = (table.FindControl("TextBoxEmptyLectureLocationInsert") as TextBox).Text;
DateTime homeworkDueDate = DateTime.Parse((table.FindControl("TextBoxEmptyHomeworkDue") as TextBox).Text);
var context = new AcademyDbContext();
var course = context.Courses.Find(courseId);
var lecture = new Forum.Models.Lecture()
{
Title = title,
Location = location,
HomeworkDueDate = homeworkDueDate
};
context.Lectures.Add(lecture);
try
{
context.SaveChanges();
lecture.Course = course;
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Lecture created successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
}
public void DeleteById(int id)
{
Project project = _context.Projects.FirstOrDefault(x => x.Id == id);
if (project != null)
{
_context.Projects.Remove(project);
}
_context.SaveChanges();
}
public void DeleteById(int id)
{
Student student = _context.Students.FirstOrDefault(x => x.Id == id);
if (student != null)
{
_context.Students.Remove(student);
}
_context.SaveChanges();
}
public ActionResult Create([Bind(Include = "StudentId,FirstName,LastName,EmailAddress,PhoneNum")] Student student)
{
if (ModelState.IsValid)
{
db.Student.Add(student);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(student));
}
public ActionResult Create([Bind(Include = "UserId,FirstName,LastName,EmailAddress,PhoneNum,Password,Role")] User user)
{
if (ModelState.IsValid)
{
db.Users.Add(user);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(user));
}
public ActionResult Create([Bind(Include = "InstructorId,FirstName,LastName,EmailAddress,PhoneNum")] Instructor instructor)
{
if (ModelState.IsValid)
{
db.Instructors.Add(instructor);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(instructor));
}
public void Create(CreateCourseCategoryDto dto)
{
var entity = new CourseCategory()
{
ParentCategoryId = dto.ParentId,
Title = dto.Title
};
_dbContext.CourseCategories.Add(entity);
_dbContext.SaveChanges();
}
public ActionResult Create([Bind(Include = "CourseId,Name,Address,X,Y,Description,StartDate,EndDate,InstructorId")] Course course)
{
if (ModelState.IsValid)
{
db.Courses.Add(course);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(course));
}
public ActionResult Create([Bind(Include = "CourseId,Name,Address,Description,StartDate,EndDate,InstructorId")] Course course)
{
if (ModelState.IsValid)
{
db.Courses.Add(course);
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.InstructorId = new SelectList(db.Instructors, "InstructorId", "FirstName", course.InstructorId);
return(View(course));
}
public void GridViewLectures_DeleteItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
ErrorSuccessNotifier.AddErrorMessage("The lecture was not found.");
return;
}
try
{
context.Lectures.Remove(item);
context.SaveChanges();
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
ErrorSuccessNotifier.AddInfoMessage("Lecture deleted successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
}
public void GridViewLectures_DeleteItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
ErrorSuccessNotifier.AddErrorMessage("The lecture was not found.");
return;
}
try
{
context.Lectures.Remove(item);
context.SaveChanges();
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
ErrorSuccessNotifier.AddInfoMessage("Lecture deleted successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
}
protected void ChangeAvatar_Click(object sender, EventArgs e)
{
var context = new AcademyDbContext();
string username = Context.User.Identity.Name;
var user = context.Users.FirstOrDefault(u => u.UserName == username);
if (user != null)
{
string fileName = string.Empty;
var fileUpload = this.FileUploadAvatar;
if (fileUpload.HasFile &&
(fileUpload.PostedFile.ContentType == PngImageFormat ||
fileUpload.PostedFile.ContentType == JpegImageFormat ||
fileUpload.PostedFile.ContentType == GifImageFormat))
{
fileName = username.Replace("<", string.Empty).Replace(">", string.Empty) + GetAvatarExtension(FileUploadAvatar.PostedFile.FileName);
fileUpload.SaveAs(Server.MapPath(MainPath) + fileName);
user.AvatarPath = MainPath + fileName;
context.SaveChanges();
ErrorSuccessNotifier.ShowAfterRedirect = true;
ErrorSuccessNotifier.AddSuccessMessage("Avatar changed successfully.");
Response.Redirect(Request.RawUrl, false);
}
else
{
ErrorSuccessNotifier.ShowAfterRedirect = true;
ErrorSuccessNotifier.AddErrorMessage("The uploaded avatar exceeds 100KB or is in a wrong format.");
Response.Redirect(Request.RawUrl, false);
return;
}
}
}
protected void ChangeEmail_Click(object sender, EventArgs e)
{
var userId = Context.User.Identity.GetUserId();
var context = new AcademyDbContext();
var user = context.Users.Find(userId);
user.Email = this.TextBoxNewEmail.Text;
context.SaveChanges();
Response.Redirect(Request.RawUrl, false);
}
protected void GridViewCourses_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int id = (int)e.Keys["Id"];
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(c => c.Id == id);
var lectures = existingCourse.Lectures.ToList();
foreach (var lecture in lectures)
{
context.Homeworks.RemoveRange(lecture.Homeworks);
context.Lectures.Remove(lecture);
}
context.SaveChanges();
context.Courses.Remove(existingCourse);
context.SaveChanges();
e.Cancel = true;
(sender as GridView).DataBind();
ErrorSuccessNotifier.AddInfoMessage("Course successfully deleted.");
}
public void SaveAmountOfWork(AmountOfWorkVM work, int id) // REDO FÖR TESTING (kanske bör göra extra metod)
{
var order = context.Customer.Where(c => c.CustomerId == id).Select(c => c.Order).SingleOrDefault();
var orderId = order.OrderId;
var orderToWork = context.OrderToWork.Where(o => o.OrderId == orderId).ToArray();
context.OrderToWork.RemoveRange(orderToWork);
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Demolition, HourlyRate = work.HourlyRateDemolition, AmountOfHours = work.DemolitionHours
});
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Drain, HourlyRate = work.HourlyRateDrain, AmountOfHours = work.DrainHours
});
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Ventilation, HourlyRate = work.HourlyRateVentilation, AmountOfHours = work.VentilationHours
});
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Tile, HourlyRate = work.HourlyRateTile, AmountOfHours = work.TileHours
});
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Electricity, HourlyRate = work.HourlyRateElectricity, AmountOfHours = work.ElectricityHours
});
context.OrderToWork.Add(new OrderToWork {
OrderId = orderId, WorkId = (int)WorkType.Mounting, HourlyRate = work.HourlyRateMounting, AmountOfHours = work.MountingHours
});
order.TravelCost = work.TravelCost;
order.WorkDiscount = work.WorkDiscount;
order.IsComplete = true;
context.SaveChanges();
}
protected void GridViewCourses_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
int id = (int)e.Keys["Id"];
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(c => c.Id == id);
var lectures = existingCourse.Lectures.ToList();
foreach (var lecture in lectures)
{
context.Homeworks.RemoveRange(lecture.Homeworks);
context.Lectures.Remove(lecture);
}
context.SaveChanges();
context.Courses.Remove(existingCourse);
context.SaveChanges();
e.Cancel = true;
(sender as GridView).DataBind();
ErrorSuccessNotifier.AddInfoMessage("Course successfully deleted.");
}
protected void LinkButtonEmptyCourseInsert_Click(object sender, EventArgs e)
{
var table = (sender as LinkButton).Parent;
string title = (table.FindControl("TextBoxEmptyCourseNameInsert") as TextBox).Text;
string description = (table.FindControl("TextBoxEmptyCourseDescriptionInsert") as TextBox).Text;
string lecturer = (table.FindControl("DropDownListEmptyLecturerInsert") as DropDownList).SelectedValue;
int freePlaces = int.Parse((table.FindControl("TextBoxEmptyCourseFreePlacesInsert") as TextBox).Text);
DateTime startDate = DateTime.Parse((table.FindControl("TextBoxEmptyCourseStartDateInsert") as TextBox).Text);
DateTime endDate = DateTime.Parse((table.FindControl("TextBoxEmptyCourseEndDateInsert") as TextBox).Text);
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(c => c.Title == title);
if (existingCourse != null)
{
ErrorSuccessNotifier.AddErrorMessage("Course successfully added.");
//throw new InvalidOperationException("Course already exists.");
}
var existingUser = context.Users.FirstOrDefault(x => x.Id == lecturer);
if (existingUser == null)
{
throw new ArgumentException();
}
var courseToInsert = new Course()
{
Title = title,
Description = description,
Lecturer = existingUser,
FreePlaces = freePlaces,
StartDate = startDate,
EndDate = endDate
};
context.Courses.Add(courseToInsert);
context.SaveChanges();
this.GridViewCourses.DataBind();
ErrorSuccessNotifier.AddSuccessMessage("Course successfully added.");
}
public void GridViewUsers_UpdateItem(string id)
{
var context = new AcademyDbContext();
Forum.Models.ApplicationUser item = context.Users.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
return;
}
var editIndex = this.GridViewUsers.EditIndex;
bool isLecturer = (this.GridViewUsers.Rows[editIndex].FindControl("CheckBoxIsLecturer") as CheckBox).Checked;
if (isLecturer)
{
var lecturerRole = context.Roles.First(r => r.Name == "Lecturer");
item.Roles.Clear();
item.Roles.Add(new UserRole()
{
Role = lecturerRole
});
}
else
{
item.Roles.Clear();
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("User edited successfully.");
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There was an error editing the user. Please try again.");
}
}
protected void ButtonRegisterForCourse_Click(object sender, EventArgs e)
{
string username = Context.User.Identity.Name;
var context = new AcademyDbContext();
var user = context.Users.FirstOrDefault(u => u.UserName == username);
int courseId = Convert.ToInt32(RouteData.Values["courseId"]);
var course = context.Courses.FirstOrDefault(c => c.Id == courseId);
if (user != null && course != null && course.FreePlaces > 0)
{
user.Courses.Add(course);
course.Students.Add(user);
course.FreePlaces--;
context.SaveChanges();
}
Response.Redirect(Request.RawUrl, false);
}
public void GridViewLectures_UpdateItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
return;
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
context.SaveChanges();
ErrorSuccessNotifier.AddInfoMessage("Lecture updated successfully.");
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There was an error updating the lecture. Please try again.");
}
}
public void GridViewLectures_UpdateItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
return;
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
context.SaveChanges();
ErrorSuccessNotifier.AddInfoMessage("Lecture updated successfully.");
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There was an error updating the lecture. Please try again.");
}
}
protected void GridViewCourses_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string courseTitle = ((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxCourseTitleEdit") as TextBox).Text;
string courseDescription = ((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxCourseDescriptionEdit") as TextBox).Text;
string courseLecturerId = ((sender as GridView).Rows[e.RowIndex].FindControl("DropDownListLecturerEdit") as DropDownList).SelectedValue;
int courseFreePlaces = int.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxFreePlacesEdit") as TextBox).Text.ToString());
DateTime startDate = DateTime.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxStartDateEdit") as TextBox).Text.ToString());
DateTime endDate = DateTime.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxEndDateEdit") as TextBox).Text.ToString());
int id = (int)e.Keys["Id"];
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(x => x.Id == id);
if (existingCourse == null)
{
throw new InvalidOperationException("Course does not exist");
}
var existingUser = context.Users.FirstOrDefault(x => x.Id == courseLecturerId);
if (existingUser == null)
{
throw new ArgumentException("Lecturer does not exist");
}
existingCourse.Title = courseTitle;
existingCourse.Description = courseDescription;
existingCourse.Lecturer = existingUser;
existingCourse.FreePlaces = courseFreePlaces;
existingCourse.StartDate = startDate;
existingCourse.EndDate = endDate;
context.SaveChanges();
//ErrorSuccessNotifier.AddInfoMessage("Course successfully edited.");
e.Cancel = true;
(sender as GridView).EditIndex = -1;
}
public void GridViewUsers_UpdateItem(string id)
{
var context = new AcademyDbContext();
Forum.Models.ApplicationUser item = context.Users.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
return;
}
var editIndex = this.GridViewUsers.EditIndex;
bool isLecturer = (this.GridViewUsers.Rows[editIndex].FindControl("CheckBoxIsLecturer") as CheckBox).Checked;
if (isLecturer)
{
var lecturerRole = context.Roles.First(r => r.Name == "Lecturer");
item.Roles.Clear();
item.Roles.Add(new UserRole() { Role = lecturerRole });
}
else
{
item.Roles.Clear();
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("User edited successfully.");
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There was an error editing the user. Please try again.");
}
}
protected void GridViewCourses_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string courseTitle = ((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxCourseTitleEdit") as TextBox).Text;
string courseDescription = ((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxCourseDescriptionEdit") as TextBox).Text;
string courseLecturerId = ((sender as GridView).Rows[e.RowIndex].FindControl("DropDownListLecturerEdit") as DropDownList).SelectedValue;
int courseFreePlaces = int.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxFreePlacesEdit") as TextBox).Text.ToString());
DateTime startDate = DateTime.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxStartDateEdit") as TextBox).Text.ToString());
DateTime endDate = DateTime.Parse(((sender as GridView).Rows[e.RowIndex].FindControl("TextBoxEndDateEdit") as TextBox).Text.ToString());
int id = (int)e.Keys["Id"];
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(x => x.Id == id);
if (existingCourse == null)
{
throw new InvalidOperationException("Course does not exist");
}
var existingUser = context.Users.FirstOrDefault(x => x.Id == courseLecturerId);
if (existingUser == null)
{
throw new ArgumentException("Lecturer does not exist");
}
existingCourse.Title = courseTitle;
existingCourse.Description = courseDescription;
existingCourse.Lecturer = existingUser;
existingCourse.FreePlaces = courseFreePlaces;
existingCourse.StartDate = startDate;
existingCourse.EndDate = endDate;
context.SaveChanges();
//ErrorSuccessNotifier.AddInfoMessage("Course successfully edited.");
e.Cancel = true;
(sender as GridView).EditIndex = -1;
}
protected void ChangeEmail_Click(object sender, EventArgs e)
{
var userId = Context.User.Identity.GetUserId();
var context = new AcademyDbContext();
var user = context.Users.Find(userId);
user.Email = this.TextBoxNewEmail.Text;
context.SaveChanges();
Response.Redirect(Request.RawUrl, false);
}
protected void LinkButtonEmptyCourseInsert_Click(object sender, EventArgs e)
{
var table = (sender as LinkButton).Parent;
string title = (table.FindControl("TextBoxEmptyCourseNameInsert") as TextBox).Text;
string description = (table.FindControl("TextBoxEmptyCourseDescriptionInsert") as TextBox).Text;
string lecturer = (table.FindControl("DropDownListEmptyLecturerInsert") as DropDownList).SelectedValue;
int freePlaces = int.Parse((table.FindControl("TextBoxEmptyCourseFreePlacesInsert") as TextBox).Text);
DateTime startDate = DateTime.Parse((table.FindControl("TextBoxEmptyCourseStartDateInsert") as TextBox).Text);
DateTime endDate = DateTime.Parse((table.FindControl("TextBoxEmptyCourseEndDateInsert") as TextBox).Text);
var context = new AcademyDbContext();
var existingCourse = context.Courses.FirstOrDefault(c => c.Title == title);
if (existingCourse != null)
{
ErrorSuccessNotifier.AddErrorMessage("Course successfully added.");
//throw new InvalidOperationException("Course already exists.");
}
var existingUser = context.Users.FirstOrDefault(x => x.Id == lecturer);
if (existingUser == null)
{
throw new ArgumentException();
}
var courseToInsert = new Course()
{
Title = title,
Description = description,
Lecturer = existingUser,
FreePlaces = freePlaces,
StartDate = startDate,
EndDate = endDate
};
context.Courses.Add(courseToInsert);
context.SaveChanges();
this.GridViewCourses.DataBind();
ErrorSuccessNotifier.AddSuccessMessage("Course successfully added.");
}
protected void ButtonUploadHomework_Click(object sender, EventArgs e)
{
var context = new AcademyDbContext();
int lectureId = Convert.ToInt32(RouteData.Values["lectureId"]);
var lecture = context.Lectures.Find(lectureId);
string username = Context.User.Identity.Name;
var user = context.Users.FirstOrDefault(u => u.UserName == username);
if (lecture == null)
{
ErrorSuccessNotifier.AddErrorMessage("The lecture does not exist.");
}
if (user == null)
{
ErrorSuccessNotifier.AddErrorMessage("The user does not exist.");
}
var fileUpload = this.FileUploadHomework;
ErrorSuccessNotifier.ShowAfterRedirect = true;
if (fileUpload.HasFile)
{
if (fileUpload.PostedFile.ContentLength <= 16777216)
{
if (fileUpload.PostedFile.FileName.EndsWith(".zip") || fileUpload.PostedFile.FileName.EndsWith(".rar"))
{
if (!Directory.Exists(Server.MapPath(DefaultHomeworksPath + lectureId)))
{
Directory.CreateDirectory(Server.MapPath(DefaultHomeworksPath + lectureId));
}
string userForFileName = username.Replace("<", string.Empty).Replace(">", string.Empty);
string fileName = string.Format(
"HW_{0}_{1}{2}", userForFileName,
Regex.Replace(lecture.Title, @"[\W]", "_"),
GetFileExtension(fileUpload.PostedFile.FileName));
string homeworkPath = DefaultHomeworksPath + lectureId + "/" + fileName;
fileUpload.SaveAs(Server.MapPath(homeworkPath));
var existingHomework = context.Homeworks.FirstOrDefault(h => h.HomeworkPath == homeworkPath);
if (existingHomework == null)
{
var newHomework = context.Homeworks.Add(new Forum.Models.Homework()
{
Student = user,
StudentId = user.Id,
Lecture = lecture,
LectureId = lecture.Id,
HomeworkPath = homeworkPath,
SubmissionTime = DateTime.Now
});
}
else
{
existingHomework.SubmissionTime = DateTime.Now;
}
try
{
context.SaveChanges();
}
catch (Exception)
{
ErrorSuccessNotifier.AddErrorMessage(
"There was a problem uploading the homework. Please contact the lecturer for this course.");
Response.Redirect(Request.RawUrl, false);
return;
}
ErrorSuccessNotifier.AddSuccessMessage("Homework uploaded successfully.");
Response.Redirect(string.Format("~/Student/Courses/{0}", lecture.Course.Id), false);
}
else
{
ErrorSuccessNotifier.AddErrorMessage("The file is in a wrong format. Allowed formats: .zip, .rar.");
Response.Redirect(Request.RawUrl, false);
}
}
else
{
ErrorSuccessNotifier.AddErrorMessage("The file size exceeds the limit of 16 MB.");
Response.Redirect(Request.RawUrl, false);
}
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There is no file to upload.");
Response.Redirect(Request.RawUrl, false);
}
}
protected void ButtonRegisterForCourse_Click(object sender, EventArgs e)
{
string username = Context.User.Identity.Name;
var context = new AcademyDbContext();
var user = context.Users.FirstOrDefault(u => u.UserName == username);
int courseId = Convert.ToInt32(RouteData.Values["courseId"]);
var course = context.Courses.FirstOrDefault(c => c.Id == courseId);
if (user != null && course != null && course.FreePlaces > 0)
{
user.Courses.Add(course);
course.Students.Add(user);
course.FreePlaces--;
context.SaveChanges();
}
Response.Redirect(Request.RawUrl, false);
}
protected void ButtonInsertLecture_Click(object sender, EventArgs e)
{
int courseId = Convert.ToInt32(this.RouteData.Values["courseId"]);
string title = (this.GridViewLectures.FooterRow.FindControl("TextBoxInsertTitle") as TextBox).Text;
string location = (this.GridViewLectures.FooterRow.FindControl("TextBoxInsertLocation") as TextBox).Text;
DateTime homeworkDueDate = DateTime.Parse((this.GridViewLectures.FooterRow.FindControl("TextBoxInsertHomeworkDue") as TextBox).Text);
var context = new AcademyDbContext();
var course = context.Courses.Find(courseId);
var lecture = new Forum.Models.Lecture()
{
Title = title,
Location = location,
HomeworkDueDate = homeworkDueDate
};
context.Lectures.Add(lecture);
try
{
context.SaveChanges();
lecture.Course = course;
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Lecture created successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
}
protected void ChangeAvatar_Click(object sender, EventArgs e)
{
var context = new AcademyDbContext();
string username = Context.User.Identity.Name;
var user = context.Users.FirstOrDefault(u => u.UserName == username);
if (user != null)
{
string fileName = string.Empty;
var fileUpload = this.FileUploadAvatar;
if (fileUpload.HasFile &&
(fileUpload.PostedFile.ContentType == PngImageFormat ||
fileUpload.PostedFile.ContentType == JpegImageFormat ||
fileUpload.PostedFile.ContentType == GifImageFormat))
{
fileName = username.Replace("<", string.Empty).Replace(">", string.Empty) + GetAvatarExtension(FileUploadAvatar.PostedFile.FileName);
fileUpload.SaveAs(Server.MapPath(MainPath) + fileName);
user.AvatarPath = MainPath + fileName;
context.SaveChanges();
ErrorSuccessNotifier.ShowAfterRedirect = true;
ErrorSuccessNotifier.AddSuccessMessage("Avatar changed successfully.");
Response.Redirect(Request.RawUrl, false);
}
else
{
ErrorSuccessNotifier.ShowAfterRedirect = true;
ErrorSuccessNotifier.AddErrorMessage("The uploaded avatar exceeds 100KB or is in a wrong format.");
Response.Redirect(Request.RawUrl, false);
return;
}
}
}
protected void ButtonUploadHomework_Click(object sender, EventArgs e)
{
var context = new AcademyDbContext();
int lectureId = Convert.ToInt32(RouteData.Values["lectureId"]);
var lecture = context.Lectures.Find(lectureId);
string username = Context.User.Identity.Name;
var user = context.Users.FirstOrDefault(u => u.UserName == username);
if (lecture == null)
{
ErrorSuccessNotifier.AddErrorMessage("The lecture does not exist.");
}
if (user == null)
{
ErrorSuccessNotifier.AddErrorMessage("The user does not exist.");
}
var fileUpload = this.FileUploadHomework;
ErrorSuccessNotifier.ShowAfterRedirect = true;
if (fileUpload.HasFile)
{
if (fileUpload.PostedFile.ContentLength <= 16777216)
{
if (fileUpload.PostedFile.FileName.EndsWith(".zip") || fileUpload.PostedFile.FileName.EndsWith(".rar"))
{
if (!Directory.Exists(Server.MapPath(DefaultHomeworksPath + lectureId)))
{
Directory.CreateDirectory(Server.MapPath(DefaultHomeworksPath + lectureId));
}
string userForFileName = username.Replace("<", string.Empty).Replace(">", string.Empty);
string fileName = string.Format(
"HW_{0}_{1}{2}", userForFileName,
Regex.Replace(lecture.Title, @"[\W]", "_"),
GetFileExtension(fileUpload.PostedFile.FileName));
string homeworkPath = DefaultHomeworksPath + lectureId + "/" + fileName;
fileUpload.SaveAs(Server.MapPath(homeworkPath));
var existingHomework = context.Homeworks.FirstOrDefault(h => h.HomeworkPath == homeworkPath);
if (existingHomework == null)
{
var newHomework = context.Homeworks.Add(new Forum.Models.Homework()
{
Student = user,
StudentId = user.Id,
Lecture = lecture,
LectureId = lecture.Id,
HomeworkPath = homeworkPath,
SubmissionTime = DateTime.Now
});
}
else
{
existingHomework.SubmissionTime = DateTime.Now;
}
try
{
context.SaveChanges();
}
catch (Exception)
{
ErrorSuccessNotifier.AddErrorMessage(
"There was a problem uploading the homework. Please contact the lecturer for this course.");
Response.Redirect(Request.RawUrl, false);
return;
}
ErrorSuccessNotifier.AddSuccessMessage("Homework uploaded successfully.");
Response.Redirect(string.Format("~/Student/Courses/{0}", lecture.Course.Id), false);
}
else
{
ErrorSuccessNotifier.AddErrorMessage("The file is in a wrong format. Allowed formats: .zip, .rar.");
Response.Redirect(Request.RawUrl, false);
}
}
else
{
ErrorSuccessNotifier.AddErrorMessage("The file size exceeds the limit of 16 MB.");
Response.Redirect(Request.RawUrl, false);
}
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There is no file to upload.");
Response.Redirect(Request.RawUrl, false);
}
}